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Amazon S3 Change file download name
... to mention that it was not me to provide the right answer on Amazon forum and all credits should go to Colin Rhodes ;-)
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Subset of rows containing NA (missing) values in a chosen column of a data frame
...m a CSV file. The data frame DF has columns that contain observed values and a column ( VaR2 ) that contains the date at which a measurement has been taken. If the date was not recorded, the CSV file contains the value NA , for missing data.
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What's the 'Ruby way' to iterate over two arrays at once
... edited Aug 27 '10 at 6:18
Marc-André Lafortune
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answered Aug 26 '10 at 22:31
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What is Type-safe?
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Type safety means that the compiler will validate types while compiling, and throw an error if you try to assign the wrong type to a variable.
Some simple examples:
// Fails, Trying to put an integer in a string
String one = 1;
// Also fails.
int foo = "bar";
This also applies to method argume...
Character reading from file in Python
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It's also possible to open files in update mode, allowing both reading and writing:
with codecs.open('test', encoding='utf-8', mode='w+') as f:
f.write(u'\u4500 blah blah blah\n')
f.seek(0)
print repr(f.readline()[:1])
EDIT: I'm assuming that your intended goal is just to be able ...
How To Set Up GUI On Amazon EC2 Ubuntu server
I'm using an amazon Ubuntu EC2 instance which is only has a command line interface. I want to setup UI for that server to access using remote desktop tools. Is there any way to apply GUI to the EC2 instance?
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How to create a .gitignore file
... project folder. Isn't it created automatically by Xcode? If not, what command allows me to create one?
41 Answers
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How to create a new branch from a tag?
... answered Jun 7 '12 at 22:57
AndrewAndrew
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How can I make the computer beep in C#?
...p().
// Default beep
Console.Beep();
You can also specify the frequency and length of the beep in milliseconds.
// Beep at 5000 Hz for 1 second
Console.Beep(5000, 1000);
For more information refer http://msdn.microsoft.com/en-us/library/8hftfeyw%28v=vs.110%29.aspx
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Entity Framework code first unique column
I am using Entity Framework 4.3 and using Code Fist.
6 Answers
6
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